69 Dart help

Friends' car. 69 Dart GTS. I'm going to remove the rear side window regulators tomorrow & I would like some in-put on doing this correctly. I have removed the glass & won't have access to a service manual by tomorrow morning. Should the regulator & tracks be removed as an assembly? Regulator placed in the middle of its travel for removal? Remove it from the top like the glass or remove it from the access hole in the interior panel. I will most likely be the one putting it back together when car is painted so I want to remove it in the right order for easier re-assembly later. Thanks for any info.